On February 19, 2015, EPA proposed method updates to 40 CFR Part 136. In these updates is a revision of EPA Method 625, semi-volatiles in water by liquid liquid extraction GCMS. The revised method adds flexibility and an alternative extraction technique. This presentation covers the major additions and modifications to the method.

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Disclaimer:
This publication was developed under Assistance Agreement No. X3-834888601-0 awarded by the U.S. Environmental Protection Agency. It has not been formally reviewed by EPA. The views expressed in this document are solely those of The NELAC Institute and EPA does not endorse any products or commercial services mentioned in this publication.